<style type="text/css">
.f {
	float:left;
	width:60px;
	height:60px;
	*width:100px;
	*height:100px;
	border:20px solid #00c;
	background:#cc0c0c;
	overflow:hidden;
	margin-top:20px;
}
.a {
	position:absolute;left:10px;
	top:10px;
	background:#0f0cff;
	height:100px;
}
.f {
/*
	overflow:auto;
*/
}
</style>
<div class="f">
</div>
